
var towSum =function(nums,target){
    for (let i=0;i<nums.length;i++){
        for (let j=i+1;j<nums.length;j++){
            if (nums[i]+nums[j]==target){
                 console.log([i,j]);
                 
            }
        }
    } 
};
towSum(nums=[-1,2,7,10,3,6],target=9);
// console.log(towSum);
